//
// Created by ashCheng on 2023/2/6.
//
#include <iostream>
#include <string>

using std::cin;
using std::cout;
using std::endl;
using std::string;

int main() {
  //一次读入一整行
  string line;
  while (getline(cin, line)) {
    if (!line.empty()) {
      cout << line << endl;
    }
  }
  return 0;
}